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The Eaton 167905 & FRCDM-40/4/03-G/BFQ is a robust residual current device (RCD) essential for ensuring electrical safety in commercial and industrial three-phase systems. Rated for 40 A, this 3P+N switch features a time-delay trip characteristic, providing selective protection within cascaded systems. With a high trip sensitivity of 300 mA, it is primarily designed to protect equipment and electrical installations from severe insulation faults that could lead to fire hazards.
The time-delay feature of the RCD enables selective coordination in complex installations, ensuring that only the faulty downstream circuit trips, maintaining power continuity elsewhere. It provides critical fire and shock protection by quickly isolating high-leakage currents (300 mA). Its robust 40 A current rating and standard DIN rail mount design enable seamless, space-efficient integration into industrial distribution boards.
For more information please check the datasheets.
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